Submitted by admin on Tue, 05/11/2010 - 13:49.
The study area is covered by critical land and located at the upper area of Sermo dam. The area of the Ngrancah sub watershed is 2,128.9 hectares. In fulfilling the human’s requirement, there are some types of land use, includes: forest (0.72 %), mixed cropping (68.13 %), settlement (15.28 %), dry rice field (2.13 %), dry field (6.12 %) and dam area (7.63 %). The objective of this research is to study the erosion rate of each land use type.